You can't just use console Log ()?

console

1、 We usually only know that there are console.log() This usage

	 ok , Let me show you something about console Other uses of , Please listen to me 

2、console Format printing

First console.log（） We all know . In it, we usually use it to output data , In fact, you can also set the output format in it

console.log('hello i am a %s string','student')

console.log('%c I LOVE YOU','font-size:55px;color:pink')

yo , You can also add styles , Isn't that awesome

3、console.warn(), Output a yellow warning

console.warn('hello girl')

4、console.error(), An error message in red is output

console.error('hello error')

5、console.info, And console.log There is no difference in the effect of

console.info('hello world i am hero')

6、console.assert (), Receive two parameters

The first one is about boolen What is the value of , If true Then the second parameter executes

console.assert(1===2,'this is wrong')

7、console.clear(), Clear the console

8、console.dir(), The object used to set the ,dump Get more information

9、console.group() and console.groupEnder(), Classify the same object type

 const dogs=[{
    name:'jack',age:13},{
    name:'lucy',age:12}] 
 dogs.forEach(dog=>{
    
            console.group(`${
      dog.name}`)
           console.log(`this is ${
      dog.name}`)
           console.log(`${
      dog.name} is ${
      dog.age} year ago`)
         console.log(`${
      dog.name} is ${
      dog.age*4} year ago`)
         console.groupEnd(`${
      dog.name}`)
     })

10、console.count(), Sort the data that outputs the same data

 console.count('wes')
 console.count('good')
 console.count('wes')
 console.count('wes')
 console.count('good')
 console.count('good')
 console.count('wes')
 console.count('good')

11、console.time(), Count the running time of a piece of code

  console.time('fetching data');
  fetch('https://api.github.com/users/wesbos')
   .then(data => data.json())
    .then(data => {
    
     console.timeEnd('fetching data');
     console.log(data);
    })

12、console.table( ), It is used to display the output data in the form of table

const dogs=[{
    name:'jack',age:13},{
    name:'lucy',age:12}] console.table(dogs)

It's not learning ,666